Home / 98,723.70-148,085.55-36,386.10

Finding the Fourth Proportional to 98,723.70, 148,085.55 and 36,386.10

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Solution

The fourth proportional to 98,723.70, 148,085.55 and 36,386.10 is: 54,579.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,723.70 : 148,085.55 = 36,386.10 : x
  2. Step 2: Convert to fraction form
    98,723.70/148,085.55 = 36,386.10/x
  3. Step 3: Cross multiply
    98,723.70x = 148,085.55 × 36,386.10
  4. Step 4: Simplify right side
    98,723.70x = 5,388,255,630.86
  5. Step 5: Solve for x
    x = 5,388,255,630.86/98,723.70
  6. Step 6: Final answer
    x = 54,579.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.